Warm-Up  Stan is 3 times as old as Charlie. Charlie is 2 years younger than Dan. Dan is half as old as Luis. Luis is 14 years old. How old is Stan? (7.2F)

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Presentation transcript:

Warm-Up  Stan is 3 times as old as Charlie. Charlie is 2 years younger than Dan. Dan is half as old as Luis. Luis is 14 years old. How old is Stan? (7.2F)

UT EP Make a list Luis is 14

To Multiply:  You do not line up the factors by the decimal.  Instead, place the number with more digits on top.  Line up the other number underneath, at the right.  Multiply  Count the number of decimal places (from the right) in each factor.  Use the total number of decimal places in your two factors to place the decimal in your product.

Example: 5.63 x x two one three.

Example: 0.53 x has more digits (4) than 0.53 (3), so it goes on top x Decimal Places three two five.

Try This: 6.5 x x one two.

QUESTIONS???